(English) EFFICACY OF ORAL ISOTRETINOIN IN COMBINATION WITH LEVOCETIRIZINE IN MANAGEMENT OF SEVERE ACNE VULGARIS Thai Thi Dieu Van, Nguyen Van Thuong, Truong Thi Huyen Trang, Vu Thai Ha, Vu Thi Hong Luyen, Vu Thanh Tung, Hoang Van Tam, Dinh Huu Nghi, Vu Huy Luong Tải về (English) EFFICACY OF ORAL ISOTRETINOIN IN COMBINATION WITH LEVOCETIRIZINE IN MANAGEMENT OF SEVERE ACNE VULGARIS